Science

Monday, 1 December 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Titan
The average temperature on its surface is -179.2 degrees Celsius.
Due to the dense atmosphere and its distance from the Sun, only 1% of the amount of light that reach ...
Enceladus
Enceladus' atmosphere consists of water vapor (91%), nitrogen (4%), carbon dioxide (3.2%) and methane (1.7%).
Graphene
Graphene is an allotrope of carbon consisting of a single layer of atoms arranged in a two-dimensional honeycomb nanostructure (an intermediate-sized structure between microscopic and molecular structures).
Allotropy is the phenomenon of the existence of different varieties of the same chemical element in ...
NASA
On May 12th, 2022, NASA’s Event Horizon Telescope captured the first image of the supermassive black hole at the center of the Milky Way.
Milky Way
Our galaxy is surrounded by a spherical halo that extends as much as 200.000 light-years from its center.
The halo consists of old stars and globular clusters, and 90 percent of the material it contains is located within a radius of 100.000 light years from the center of the Milky Way.
Enceladus
It is the sixth-largest moon of Saturn.
Cosmos
The Sun has a diameter of 1.392.684 kilometers.
It is about 109 times larger than the Earth and its mass is approximately 333.000 Earth masses. The Sun accounts for about 99.86 percent of the mass of the solar system.
Ganymede
The Moon is the only one in the Solar System that has a dipole magnetic field capable of creating a magnetosphere.
Cosmos
The Solar System is located in the Milky Way.
Our galaxy ranks rather average, its diameter is 100 to 120 thousand light years. Perhaps a unique f ...
Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.